Hi,
We have extensive experience in Mobile technologies. Our iCube product enables us to deliver project for any platform with in hours (only small UI tweaks are needed to make the native app more suitable). we can deliver Andorid, iPhone, Symbain, J2ME, Windows Mobile as well as Palm Pre apps. First one will take same amount time for app from scratch but after that you can have other apps in 2 days per platform. Contact me if you have any questions. We don't do cheap, we build quality software.